lyx_mirror/src/Spacing.C
Jean-Marc Lasgouttes 3c8aba3b55 clear()->erase() ; lots of using directives for cxx
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@712 a592a061-630c-0410-9148-cb99ea01b6c8
2000-05-04 10:57:00 +00:00

125 lines
2.2 KiB
C

#include <config.h>
#ifdef HAVE_SSTREAM
#include <sstream>
using std::istringstream;
using std::ostringstream;
#else
#include <strstream>
#endif
#include "Spacing.h"
#include "LString.h"
using std::ios;
using std::ostream;
/// how can I put this inside of Spacing (class)
static
char const * spacing_string[] = {"single", "onehalf", "double", "other"};
float Spacing::getValue() const
{
switch(space) {
case Default: // nothing special should happen with this...
case Single: return 1.0;
case Onehalf: return 1.25;
case Double: return 1.667;
case Other: return value;
}
return 1.0;
}
void Spacing::set(Spacing::Space sp, float val)
{
space = sp;
if (sp == Other) {
switch(int(val * 1000 + 0.5)) {
case 1000: space = Single; break;
case 1250: space = Onehalf; break;
case 1667: space = Double; break;
default: value = val; break;
}
}
}
void Spacing::set(Spacing::Space sp, char const * val)
{
float fval;
#ifdef HAVE_SSTREAM
istringstream istr(val);
#else
istrstream istr(val);
#endif
istr >> fval;
set(sp, fval);
}
void Spacing::writeFile(ostream & os, bool para) const
{
if (space == Default) return;
string cmd = para ? "\\paragraph_spacing " : "\\spacing ";
if (getSpace() == Spacing::Other) {
os.setf(ios::showpoint|ios::fixed);
os.precision(2);
os << cmd << spacing_string[getSpace()]
<< " " << getValue() << " \n";
} else {
os << cmd << spacing_string[getSpace()] << " \n";
}
}
string Spacing::writeEnvirBegin() const
{
switch(space) {
case Default: break; // do nothing
case Single:
return "\\begin{singlespace}";
case Onehalf:
return "\\begin{onehalfspace}";
case Double:
return "\\begin{doublespace}";
case Other:
#ifdef HAVE_SSTREAM
ostringstream ost;
ost << "\\begin{spacing}{"
<< getValue() << "}";
return ost.str().c_str();
#else
{
char tmp[512];
ostrstream ost(tmp, 512);
ost << "\\begin{spacing}{"
<< getValue() << "}";
return ost.str();
}
#endif
}
return string();
}
string Spacing::writeEnvirEnd() const
{
switch(space) {
case Default: break; // do nothing
case Single:
return "\\end{singlespace}";
case Onehalf:
return "\\end{onehalfspace}";
case Double:
return "\\end{doublespace}";
case Other:
return "\\end{spacing}";
}
return string();
}